Spray base lock nut assembly



FIG. 1 is a side elevational view of the spray base lock nut assembly of the present invention showing my new design with the phantom lines depicting solely environmental structure and forming no part of the claimed design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a left end view thereof; and

FIG. 5 is a right end view thereof;

FIG. 6 is a side elevational view of a second embodiment of the spray base lock nut assembly of the present invention showing my new design;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a side elevational view thereof;

FIG. 9 is a left end view thereof; and,

FIG. 10 is a right end view thereof. 

The ornamental design for a spray base lock nut assembly, as shown and described. 